﻿using System;
using System.Text;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Data;
using Bangle.DBUtility;
namespace Bangle.DAL
{
    //T_Classification
    public partial class T_ClassificationDAL
    {

        public bool Exists(int ClassificationId)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from T_Classification");
            strSql.Append(" where ");
            strSql.Append(" ClassificationId = @ClassificationId  ");
            SqlParameter[] parameters = {
					new SqlParameter("@ClassificationId", SqlDbType.Int,4)
			};
            parameters[0].Value = ClassificationId;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Bangle.Model.T_Classification model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into T_Classification(");
            strSql.Append("ParentId,ClassificationCode,ClassificationName,Description");
            strSql.Append(") values (");
            strSql.Append("@ParentId,@ClassificationCode,@ClassificationName,@Description");
            strSql.Append(") ");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
			            new SqlParameter("@ParentId", SqlDbType.Int,4) ,            
                        new SqlParameter("@ClassificationCode", SqlDbType.VarChar,50) ,            
                        new SqlParameter("@ClassificationName", SqlDbType.NVarChar,200) ,            
                        new SqlParameter("@Description", SqlDbType.VarChar,1000)             
              
            };

            parameters[0].Value = model.ParentId;
            parameters[1].Value = model.ClassificationCode;
            parameters[2].Value = model.ClassificationName;
            parameters[3].Value = model.Description;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {

                return Convert.ToInt32(obj);

            }

        }


        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Bangle.Model.T_Classification model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update T_Classification set ");

            strSql.Append(" ParentId = @ParentId , ");
            strSql.Append(" ClassificationCode = @ClassificationCode , ");
            strSql.Append(" ClassificationName = @ClassificationName , ");
            strSql.Append(" Description = @Description  ");
            strSql.Append(" where ClassificationId=@ClassificationId ");

            SqlParameter[] parameters = {
			            new SqlParameter("@ClassificationId", SqlDbType.Int,4) ,            
                        new SqlParameter("@ParentId", SqlDbType.Int,4) ,            
                        new SqlParameter("@ClassificationCode", SqlDbType.VarChar,50) ,            
                        new SqlParameter("@ClassificationName", SqlDbType.NVarChar,200) ,            
                        new SqlParameter("@Description", SqlDbType.VarChar,1000)             
              
            };

            parameters[0].Value = model.ClassificationId;
            parameters[1].Value = model.ParentId;
            parameters[2].Value = model.ClassificationCode;
            parameters[3].Value = model.ClassificationName;
            parameters[4].Value = model.Description;
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int ClassificationId)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from T_Classification ");
            strSql.Append(" where ClassificationId=@ClassificationId");
            SqlParameter[] parameters = {
					new SqlParameter("@ClassificationId", SqlDbType.Int,4)
			};
            parameters[0].Value = ClassificationId;


            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 批量删除一批数据
        /// </summary>
        public bool DeleteList(string ClassificationIdlist)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from T_Classification ");
            strSql.Append(" where ClassificationId in (" + ClassificationIdlist + ")  ");
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Bangle.Model.T_Classification GetModel(int ClassificationId)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ClassificationId, ParentId, ClassificationCode, ClassificationName, Description  ");
            strSql.Append("  from T_Classification ");
            strSql.Append(" where ClassificationId=@ClassificationId");
            SqlParameter[] parameters = {
					new SqlParameter("@ClassificationId", SqlDbType.Int,4)
			};
            parameters[0].Value = ClassificationId;


            Bangle.Model.T_Classification model = new Bangle.Model.T_Classification();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);

            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["ClassificationId"].ToString() != "")
                {
                    model.ClassificationId = int.Parse(ds.Tables[0].Rows[0]["ClassificationId"].ToString());
                }
                if (ds.Tables[0].Rows[0]["ParentId"].ToString() != "")
                {
                    model.ParentId = int.Parse(ds.Tables[0].Rows[0]["ParentId"].ToString());
                }
                model.ClassificationCode = ds.Tables[0].Rows[0]["ClassificationCode"].ToString();
                model.ClassificationName = ds.Tables[0].Rows[0]["ClassificationName"].ToString();
                model.Description = ds.Tables[0].Rows[0]["Description"].ToString();

                return model;
            }
            else
            {
                return null;
            }
        }


        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * ");
            strSql.Append(" FROM T_Classification ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperSQL.Query(strSql.ToString());
        }


        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" * ");
            strSql.Append(" FROM T_Classification ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return DbHelperSQL.Query(strSql.ToString());
        }


        /// <summary>
        /// 获取记录总数
        /// </summary>
        public int GetRecordCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM T_Classification ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperSQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }


        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT * FROM ( ");
            strSql.Append(" SELECT ROW_NUMBER() OVER (");
            if (!string.IsNullOrEmpty(orderby.Trim()))
            {
                strSql.Append("order by T." + orderby);
            }
            else
            {
                strSql.Append("order by T.MenuId desc");
            }
            strSql.Append(")AS Row, T.*  from T_Classification T ");
            if (!string.IsNullOrEmpty(strWhere.Trim()))
            {
                strSql.Append(" WHERE " + strWhere);
            }
            strSql.Append(" ) TT");
            strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperSQL.Query(strSql.ToString());
        }
    }
}

